li {
  list-style: none;
  background-color: #f5f5f5;
}
li span {
  display: block;
  width: 100%;
  font-size: 0.4267rem;
  line-height: 1.1467rem;
  text-indent: 0.4rem;
  border-bottom: 1px solid #a5a5a5;
  margin: 0;
}
li div {
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  height: 0;
  overflow: hidden;
  background-color: white;
}
li div a {
  box-sizing: border-box;
  font-size: 0.32rem;
  line-height: 1.0667rem;
  border-right: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  display: block;
  float: left;
  width: 25%;
  text-decoration: none;
  color: #666;
}
